Sarah, Henry & John, 1860, TN/MS

I am seeking information on family of Sarah Porterfield, age 39, Henry, age 19, Nancy, age 17, and John, age 15, living in Memphis, Shelby County, TN in the 1860 census.In 1870, they had moved to Hernando, DeSoto County, MS with daughter Ceansey (born in 1861).Who was Sarah's husband?